EP0953109B1 - Zündvorrichtung mit ionenstrom-messeinrichtung - Google Patents
Zündvorrichtung mit ionenstrom-messeinrichtung Download PDFInfo
- Publication number
- EP0953109B1 EP0953109B1 EP97910226A EP97910226A EP0953109B1 EP 0953109 B1 EP0953109 B1 EP 0953109B1 EP 97910226 A EP97910226 A EP 97910226A EP 97910226 A EP97910226 A EP 97910226A EP 0953109 B1 EP0953109 B1 EP 0953109B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ion current
- ignition
- switch
- winding
- primary winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
- F02P17/12—Testing characteristics of the spark, ignition voltage or current
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
- F02P17/12—Testing characteristics of the spark, ignition voltage or current
- F02P2017/125—Measuring ionisation of combustion gas, e.g. by using ignition circuits
Definitions
- the invention relates to an inductive ignition device for an internal combustion engine with a measuring device to determine the ion current at the Spark plug of each cylinder and with one the high voltage forming, according to the transformer principle working, a primary and a secondary winding having ignition coil device per Spark plug, through whose secondary winding the ion current flows.
- the on-board diagnosis will be accurate Diagnostic systems needed to make statements about the Allow combustion process. These diagnostic systems should also preferably be inexpensive his. It is known about important information the course of the combustion directly from the combustion chamber an internal combustion engine (internal combustion engine) see .. For this, the so-called Ion current measurement used in which the spark plug during a combustion cycle, their actual Performs the task, namely the combustion mixture to ignite and then it will used for another function by acting as Sensor is used by means of which the ion current is measured. This is an advantage because there is no space needed for additional sensors in the combustion chamber becomes. The ion current measurement is based on the principle that during the combustion of the fuel-air mixture Ions are created.
- the ignition device in Features mentioned main claim has the advantage that by a the primary winding of the ignition coil device during the duration of the ion current measurement short-circuit switches the residual energy in the magnetic Circle of the ignition coil on the primary side dissipates, that is, converted into thermal energy and does not continue to operate the ignition spark, so that this is very fast and reproducible at the desired time goes out.
- the primary side of the ignition coil device also becomes the cutoff frequency of the secondary side the ignition coil pushed up significantly, so that possible knocking vibrations occur of the internal combustion engine as an undesirable operating state can be observed undamped because the knocking vibrations have significant ion current curves entail.
- the switch can be used as a field effect transistor (FET) should be designed with a low impedance Has switching path at low flow voltages.
- FET field effect transistor
- the measuring device has a control device which Switches preferably periodically to the desired one Spark end, at least for the duration of the entire Ion current measurement closes. This happens in case of a field effect transistor by its corresponding one Control.
- FIG. 1 shows an inductive ignition device for an internal combustion engine, not shown.
- the ignition device has an ignition coil device 1, which comprises a primary winding L1 and a secondary winding L2, which are magnetically coupled to one another.
- One winding end 2 of the primary winding L1 is connected to the operating voltage, that is, the battery voltage U b of a motor vehicle, not shown, in which the internal combustion engine is installed.
- the other winding end 3 of the primary winding L1 leads to the switching path of a transistor T1, which is controlled by a control unit (not shown) in accordance with the desired ignition timing.
- the winding end 3 can thus be connected to ground M in the conductive state of the transistor T1 (negative pole of the battery emitting the voltage U b ).
- a spark plug ZK which belongs to the internal combustion engine (not shown), is connected to ground M with one of its electrodes 4.
- the other electrode 5 of the spark plug ZK is connected to a winding end 6 of the secondary winding L2 of the ignition coil device 1.
- the other winding end 7 of the ignition coil device 1 leads to a measuring device 8, which is used to measure an ion current I. Furthermore, the measuring device 8 is connected to ground M.
- One winding end 2 of the primary winding L1 of the ignition coil device 1 is connected to a pole of a switch S1.
- the other pole of the switch S1 leads to the other winding end 3 of the primary winding L1.
- the switch S1 is preferably designed as a field effect transistor (FET), the gate 9 of which can be controlled by means of a control device (not shown), which is only indicated by an arrow 10, in order to be able to short-circuit the primary winding L1 during desired time intervals.
- FET field effect transistor
- the ignition coil device clearly upwards shifted so that the measurement is very accurate in that relevant range of knock vibrations performed can be, that is, it is a special one critical, undesirable operating state of the internal combustion engine by measuring the ion current be sensed. Because of the procedure according to the invention, namely the short-circuiting of the primary winding during the entire duration of the ion current measurement such a precise and short spark duration the spark plug realizes so that spark effects under no circumstances the following measurement evaluation hinder or the measurement period "Cover".
- Figure 2 shows a further embodiment an inductive ignition device with a measuring device to determine an ion current, wherein same parts with the same reference numerals as in figure 1 have been provided. It applies to the embodiment 2 the same statements as in the embodiment of Figure 1, so that only the differences between these two exemplary embodiments shall be.
- the evaluation device 8 for measuring the ion current in the exemplary embodiment in FIG. 1 is arranged in the secondary circuit of the ignition coil device 1, in the exemplary embodiment in FIG. 2 it is located in the primary circuit, namely the positive pole of the battery voltage U b is connected to the measuring device 8 and leads from there to the one winding end 2 of the primary winding L1.
- the other winding end 3 of the primary winding L1 is connected to the collector of the transistor T1, the emitter of which leads to ground M (negative pole of the battery voltage U b ).
- the electrode 4 of the spark plug ZK is connected to ground M.
- the other electrode 5 of the spark plug ZK is connected to the winding end 7 of the secondary winding L2 of the ignition coil device 1 and the other winding end 6 of the secondary winding L2 is connected to the winding end 2 of the primary winding L1.
- the switch S1 which is also preferably in the form of a field effect transistor (FET), is connected in parallel with the primary winding L1, that is to say that one pole of the switching path of the switch S1 is connected to the winding end 2 and the other pole of the switch S1 is connected to the winding end 3 of the primary winding L1 Ignition coil device 1 connected.
- FET field effect transistor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
- Figur 1
- ein Schaltbild einer induktiven Zündvorrichtung mit Ionenstrom-Meßeinrichtung nach einem ersten Ausführungsbeispiel und
- Figur 2
- ein zweites Ausführungsbeispiel einer induktiven Zündvorrichtung mit Meßeinrichtung zur Ermittlung des Ionenstroms.
Claims (4)
- Induktive Zündvorrichtung für einen Verbrennungsmotor, mit einer Meßeinrichtun zur Ermittlung des Ionenstroms an der Zündkerze (ZK) edes Zylinders, und mit einer die Zündspannung bildenden, nach dem Transformatorprinzip ärbeitenden, eine Primärwicklung (L1) und eine Sekundärwicklung (L2) aufweisenden Zündspuleneinrichtung pro Zündkerze (ZK) durch deren Sekundärwicklung (L2) der Ionenstrom fließt, gekennzeichnet durch einen die Primärwicklung (L1) während der Dauer der Ionenstrommessung kurzschließenden Schalter (S1).
- Zündvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Schaltweg des Schalters (S1) im geschlossenen Zustand sehr niederohmig ist und geringe Flußspannung aufweist.
- Zündvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Schalter (S1) ein Feldeffekttransistor (FET) ist.
- Zündvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Meßeinrichtung (8) eine Steuereinrichtung (Pfeil 10) aufweist, die den Schalter (S1) vorzugsweise periodisch, zumindest während der Dauer der lonenstrommessung schließt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19649278 | 1996-11-28 | ||
DE19649278A DE19649278A1 (de) | 1996-11-28 | 1996-11-28 | Zündvorrichtung mit Ionenstrom-Meßeinrichtung |
PCT/DE1997/002198 WO1998023859A1 (de) | 1996-11-28 | 1997-09-26 | Zündvorrichtung mit ionenstrom-messeinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0953109A1 EP0953109A1 (de) | 1999-11-03 |
EP0953109B1 true EP0953109B1 (de) | 2003-03-19 |
Family
ID=7812996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97910226A Expired - Lifetime EP0953109B1 (de) | 1996-11-28 | 1997-09-26 | Zündvorrichtung mit ionenstrom-messeinrichtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6424155B1 (de) |
EP (1) | EP0953109B1 (de) |
JP (1) | JP2001506721A (de) |
KR (1) | KR100498797B1 (de) |
DE (2) | DE19649278A1 (de) |
WO (1) | WO1998023859A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839868C1 (de) * | 1998-09-02 | 2000-02-10 | Stiebel Eltron Gmbh & Co Kg | Verfahren und Schaltung zum Erfassen des Luft-Kraftstoff-Verhältnisses einer Verbrennungsphase einer Verbrennungskraftmaschine |
DE19845400A1 (de) * | 1998-10-02 | 1999-12-16 | Daimler Chrysler Ag | Hochspannungstransistorspulenzündung mit Stromregeleinrichtung und Ionenstrommesseinrichtung |
DE19849258A1 (de) * | 1998-10-26 | 2000-04-27 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Energieregelung an Zündsystemen mit primärseitigem Kurzschlußschalter |
EP1063426B1 (de) | 1999-06-25 | 2008-07-02 | Ngk Spark Plug Co., Ltd | Zündeinheit für innere Brennkraftmaschine |
DE19953710B4 (de) * | 1999-11-08 | 2010-06-17 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Meßfenster-Positionierung für die Ionenstrommessung |
JP3869275B2 (ja) * | 2001-04-05 | 2007-01-17 | 株式会社日本自動車部品総合研究所 | 内燃機関のイオン電流検出装置 |
DE10234252B4 (de) * | 2002-07-27 | 2008-09-25 | Robert Bosch Gmbh | Verfahren zur Erkennung von Verbrennungsaussetzern |
DE102005044030B4 (de) * | 2005-09-14 | 2011-02-17 | Stiebel Eltron Gmbh & Co. Kg | Verfahren und Einrichtung zur Ionisationsmessung bei Verbrennungskraftmaschinen mit Unterdrückung der Zündrestspannung |
DE102005041823B3 (de) * | 2005-09-02 | 2007-02-01 | Siemens Ag | Steuergerät zum Betrieb wenigstens eines Kraftstoffinjektors einer Brennkraftmaschine |
DE102006010807B4 (de) * | 2006-03-07 | 2015-06-25 | Volkswagen Aktiengesellschaft | Schaltung zum Erfassen verbrennungsrelevanter Größen |
WO2015009594A1 (en) | 2013-07-17 | 2015-01-22 | Delphi Technologies, Inc. | Ignition system for spark ignition engines and method of operating same |
US20150340846A1 (en) * | 2014-05-21 | 2015-11-26 | Caterpillar Inc. | Detection system for determining spark voltage |
CN107636300B (zh) * | 2015-05-14 | 2019-05-10 | 艾尔多股份有限公司 | 用于内燃机的电子点火系统 |
US10221827B2 (en) * | 2015-08-14 | 2019-03-05 | Board Of Trustees Of Michigan State University | Ionization detector with ignition coil inductance shorting |
US9739252B1 (en) | 2016-02-19 | 2017-08-22 | Ford Global Technologies, Llc | System and method for detecting engine knock and misfire |
JP6342026B1 (ja) | 2017-02-14 | 2018-06-13 | 三菱電機株式会社 | 内燃機関の燃焼状態検出装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5494257U (de) * | 1977-12-15 | 1979-07-04 | ||
US4738239A (en) * | 1987-07-31 | 1988-04-19 | Delco Electronics Corporation | Ignition system |
ES2110952T3 (es) * | 1989-03-14 | 1998-03-01 | Denso Corp | Sistema de encendido de tipo de chispa multiple. |
JPH04134181A (ja) | 1990-09-27 | 1992-05-08 | Mitsubishi Electric Corp | イオン電流検出装置 |
DE4409749A1 (de) | 1994-03-22 | 1995-09-28 | Bayerische Motoren Werke Ag | Verfahren zur Erkennung klopfender Verbrennung bei einer Brennkraftmaschine mit einer Hochspannungstransistorspulenzündeinrichtung |
SE507263C2 (sv) | 1995-04-05 | 1998-05-04 | Sem Ab | Sätt att utföra jonströmmätning i en förbränningsmotor där mager bränsleblandning används |
DE19524499B4 (de) * | 1995-07-05 | 2008-11-13 | Robert Bosch Gmbh | Zündanlage für eine Brennkraftmaschine |
-
1996
- 1996-11-28 DE DE19649278A patent/DE19649278A1/de not_active Withdrawn
-
1997
- 1997-09-26 EP EP97910226A patent/EP0953109B1/de not_active Expired - Lifetime
- 1997-09-26 JP JP52411598A patent/JP2001506721A/ja not_active Ceased
- 1997-09-26 DE DE59709590T patent/DE59709590D1/de not_active Expired - Lifetime
- 1997-09-26 WO PCT/DE1997/002198 patent/WO1998023859A1/de active IP Right Grant
- 1997-09-26 KR KR10-1999-7004011A patent/KR100498797B1/ko not_active IP Right Cessation
- 1997-09-26 US US09/319,060 patent/US6424155B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20000053088A (ko) | 2000-08-25 |
WO1998023859A1 (de) | 1998-06-04 |
DE19649278A1 (de) | 1998-06-04 |
US6424155B1 (en) | 2002-07-23 |
DE59709590D1 (de) | 2003-04-24 |
EP0953109A1 (de) | 1999-11-03 |
JP2001506721A (ja) | 2001-05-22 |
KR100498797B1 (ko) | 2005-07-01 |
US20020050823A1 (en) | 2002-05-02 |
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